Depilating process.



TINTTTD STATES PATENT OFFICE.

HORACE S. BLINN, OF OMAHA, NEBRASKA, ASSIGNOR TO HIMSELF, EZRA H. MCCUTOHEN, OF HOLSTEIN, IOWA, AND FRED C. MOCUTCHEN, OF IOWA CITY, IOWA, COPARTNERS UNDER FIRM-NAME OF INTERNATIONAL CHEMICAL COMPANY, OF IOWA CITY, IOWA.

DEPILATING PROCESS.

SPECIFICATION forming part of Letters Patent No. 707,954, dated August 26, 1902.

Application filed February 10, 1902. Serial No. 93,339. (No specimens.)

To ctZL whom, it may concern: the paste and acts as a ready medium for car- Be it known that I, HORACE S. BLINN, a citirying the root-attackin g ingredients into the zen of the United States, residingin the city hair follicles or roots. of Omaha, countyofDouglas, and State of Ne- The last-described paste is allowed to re- 5 braska, have invented or discovered new and main in position fora period preferably longer usefullmprovementsin Depilatin g Processes, than thirty minutes and perhaps three or four of which the following is a specification. hours, it being an advantage to allow a con- My invention or discovery relates to procsiderable period of time for said paste to pass esses of depilating; and the object of my indown through the hair-shafts and lie in con- IO vention or discovery is to remove hair from tact with the follicles. The paste is finally the human body and to attack the roots of removed by brushing with a dry cloth, chamthe hair to weaken or permanently prevent ois-skin, or the like. By this process the the hair growth, so that after the skin has roots of the hair are quickly and effectually been repeatedly subjected to the process the devitalized. The number of necessary repe- 15 growth may be permanently stopped. titions of the process to effectually kill the In carrying out my process the skin is first roots of the hair and prevent subsequent prepared by removing the hair close to the growth thereof will depend somewhat upon surface of the skin. This is preferably done the original strength of the hair growth and by applying a compound consisting of calcium its vitality.

2o oxid or quicklime and arsenic sulfid mixed I do not herein claim the depilatory comwith water to form a thick paste. The prepound consisting of sulfur, hyposulfite of ferred proportion of said composition is as soda, and oil of turpentine herein described, follows; calcium oxid, eighty to ninety-two as the same is claimed in my application, Separts, and twenty to eight parts of an equal rial No. 94,188, filed February 15, 1902; but

25 mixture of arsenic bisulfid and arsenic tri- What I do herein claim as new, and desire sulfid, said ingredients being mixed with to secure by Letters Patent, isenough water to form a thick paste. After 1. The process of retarding or destroying this paste has remained in place a sufficient the growth of hair upon thehuman body, conlength of time, usually ranging from ten to sisting in the removal of the hair from above 0 forty minutes, the hair above the surface of the surface of the skin and subsequently apthe skin is dissolved and may be removed plying a paste consisting of sulfur and hypowith the paste by means of a spatula. The sulfite of soda mixed with oil of turpentine. 8o skin is then rinsed in pure water. By this 2. The herein-described process of weakmethod of removing the outer portion of the ening or destroying the growth of human 35 hair it will be found upon examination hair, consisting in the removal of the hair through a microscope that the dissolving of from above any part of the surface of the the hair has not stopped at the surface, but body, subsequently applying a composition that the hair has been dissolved or decomconsisting of sulfur and hyposulfite of soda, posed a slight distance down below the surmixed with oil of turpentine to form a paste o face of the skin. There are thus formed slight of suflicient consistency to adhere to the skin;

pockets which are adapted to receive and reand in finally removing said paste. tain the paste which is subsequently applied. 3. The process of weakening or destroying 0 This second composition consists of substanthe hair growth consisting in the removal of tially two parts of sulfur to one part of hyhair from the surface of the human body by 45 posulfite of soda, said sulfur and hyposulfite means of hair-dissolving chemicals; then reof soda being mixed with sufficient oil of turmoving said chemicals and the dissolved hair; pentine to form a thick paste. The oil of turthen applying a composition consisting of pentine moistens the dry ingredients to form sulfur, hyposulfite of soda and oil of turpentine to form a paste; and then finally removing said paste. 7

4. The process of enfeebling or destroying the growth of hair upon the human body, consisting in applying a composition composed of calcium oxid and arsenic sulfid mixed with water to form a paste; then removing said paste after the hair is dissolved; then rinsing the parts to which the paste has been applied in water after a period of from ten to forty minutes; then applying a composition consisting of sulfur and hyposulfite of soda mixed with oil of turpentine to form a paste; and subsequently removing said last-mentioned paste.

5. The process of enfeebling or destroying Witnesses:

DAGMAR OSTERMANN, GALLIE BRADWAY. 

